<template>
  <div id="main">
    <el-container class="head">
      <el-header class="el-header" style="height: 100px">
        <!--标题-->
        <div class="headTitle">智能电力供暖云平台</div>
        <!--导航栏-->
        <div class="guides">
          <!--导航栏-菜单栏-->
          <div class="m">
          <div class="menu"></div>
          <div class="menuList"></div>
          </div>
          <!--style="width: 60px;height: 30px;"-->
          <!--<el-button class="guide" type="primary" size="mini">首页</el-button>-->
          <div class="guide">首页</div>
          <el-cascader
            class="select"
            :show-all-levels="false"
            placeholder="项目选择"
            :options="options"
            @change="handleChange"
            filterable="true"></el-cascader>
        </div>
      </el-header>
      <el-container class="content">
        <!--左侧树形控件-->
        <el-aside class="el-aside">
          <el-tree :data="data"
                   :render-content="renderContent"
                   :props="defaultProps"
                   @node-click="handleNodeClick" c
                   class="tree"></el-tree>
        </el-aside>
        <el-main class="el-main">main</el-main>
      </el-container>
    </el-container>
  </div>
</template>

<script>
  export default {
    name: "main",
    data() {
      return {
        options: [{
          value: 'zhinan',
          label: '指南',
          children: [{
            value: 'shejiyuanze',
            label: '设计原则',
            children: [{
              value: 'yizhi',
              label: '一致'
            }, {
              value: 'fankui',
              label: '反馈'
            }, {
              value: 'xiaolv',
              label: '效率'
            }, {
              value: 'kekong',
              label: '可控'
            }]
          }, {
            value: 'daohang',
            label: '导航',
            children: [{
              value: 'cexiangdaohang',
              label: '侧向导航'
            }, {
              value: 'dingbudaohang',
              label: '顶部导航'
            }]
          }]
        }, {
          value: 'zujian',
          label: '组件',
          children: [{
            value: 'basic',
            label: 'Basic',
            children: [{
              value: 'layout',
              label: 'Layout 布局'
            }, {
              value: 'color',
              label: 'Color 色彩'
            }, {
              value: 'typography',
              label: 'Typography 字体'
            }, {
              value: 'icon',
              label: 'Icon 图标'
            }, {
              value: 'button',
              label: 'Button 按钮'
            }]
          }, {
            value: 'form',
            label: 'Form',
            children: [{
              value: 'radio',
              label: 'Radio 单选框'
            }, {
              value: 'checkbox',
              label: 'Checkbox 多选框'
            }, {
              value: 'input',
              label: 'Input 输入框'
            }, {
              value: 'input-number',
              label: 'InputNumber 计数器'
            }, {
              value: 'select',
              label: 'Select 选择器'
            }, {
              value: 'cascader',
              label: 'Cascader 级联选择器'
            }, {
              value: 'switch',
              label: 'Switch 开关'
            }, {
              value: 'slider',
              label: 'Slider 滑块'
            }, {
              value: 'time-picker',
              label: 'TimePicker 时间选择器'
            }, {
              value: 'date-picker',
              label: 'DatePicker 日期选择器'
            }, {
              value: 'datetime-picker',
              label: 'DateTimePicker 日期时间选择器'
            }, {
              value: 'upload',
              label: 'Upload 上传'
            }, {
              value: 'rate',
              label: 'Rate 评分'
            }, {
              value: 'form',
              label: 'Form 表单'
            }]
          }, {
            value: 'data',
            label: 'Data',
            children: [{
              value: 'table',
              label: 'Table 表格'
            }, {
              value: 'tag',
              label: 'Tag 标签'
            }, {
              value: 'progress',
              label: 'Progress 进度条'
            }, {
              value: 'tree',
              label: 'Tree 树形控件'
            }, {
              value: 'pagination',
              label: 'Pagination 分页'
            }, {
              value: 'badge',
              label: 'Badge 标记'
            }]
          }, {
            value: 'notice',
            label: 'Notice',
            children: [{
              value: 'alert',
              label: 'Alert 警告'
            }, {
              value: 'loading',
              label: 'Loading 加载'
            }, {
              value: 'message',
              label: 'Message 消息提示'
            }, {
              value: 'message-box',
              label: 'MessageBox 弹框'
            }, {
              value: 'notification',
              label: 'Notification 通知'
            }]
          }, {
            value: 'navigation',
            label: 'Navigation',
            children: [{
              value: 'menu',
              label: 'NavMenu 导航菜单'
            }, {
              value: 'tabs',
              label: 'Tabs 标签页'
            }, {
              value: 'breadcrumb',
              label: 'Breadcrumb 面包屑'
            }, {
              value: 'dropdown',
              label: 'Dropdown 下拉菜单'
            }, {
              value: 'steps',
              label: 'Steps 步骤条'
            }]
          }, {
            value: 'others',
            label: 'Others',
            children: [{
              value: 'dialog',
              label: 'Dialog 对话框'
            }, {
              value: 'tooltip',
              label: 'Tooltip 文字提示'
            }, {
              value: 'popover',
              label: 'Popover 弹出框'
            }, {
              value: 'card',
              label: 'Card 卡片'
            }, {
              value: 'carousel',
              label: 'Carousel 走马灯'
            }, {
              value: 'collapse',
              label: 'Collapse 折叠面板'
            }]
          }]
        }, {
          value: 'ziyuan',
          label: '资源',
          children: [{
            value: 'axure',
            label: 'Axure Components'
          }, {
            value: 'sketch',
            label: 'Sketch Templates'
          }, {
            value: 'jiaohu',
            label: '组件交互文档'
          }]
        }],
        data: [{
          label: '一级 1',
          children: [{
            label: '二级 1-1',
            children: [{
              label: '三级 1-1-1'
            }]
          }]
        }, {
          label: '一级 2',
          children: [{
            label: '二级 2-1',
            children: [{
              label: '三级 2-1-1'
            }]
          }, {
            label: '二级 2-2',
            children: [{
              label: '三级 2-2-1'
            }]
          }]
        }, {
          label: '一级 3',
          children: [{
            label: '二级 3-1',
            children: [{
              label: '三级 3-1-1'
            }]
          }, {
            label: '二级 3-2',
            children: [{
              label: '三级 3-2-1'
            }]
          }]
        }],
        defaultProps: {
          children: 'children',
          label: 'label'
        }
      }
    },
    methods:{
      handleChange(value) {//头部项目选择下拉框
        console.log(value);
      },
      handleNodeClick(data) {//左侧树形控件点击事件
        console.log(data);
      },
      renderContent(createElement,{node,data,store}){
        return createElement('span',{attrs:{class:'tree'}},node.label)
      }
    }
  }
</script>

<style scoped>
  #main {
    width: 100%;
    height: 100%;
    /*background-color: aqua;*/
  }

  .head {
    width: 100%;
    height: 100%;
  }

  .el-header {
    width: 100%;
    background-color: #545C64;
  }

  .headTitle {
    color: white;
    font-size: 20px;
    margin: 10px 20px;
  }

  .content {
    flex: 1;
    width: 100%;
    /*height: calc(100% - 50px);*/
  }

  .el-aside {
    width: 100px;
    /*height: 500px;*/
    height: 100%;
    /*background-color: violet;*/
  }

  .el-main {
    /*width: calc(100% - 100px);*/
    /*height: 400px;*/
    flex: 1;
    height: 100%;
    background-color: darkturquoise;
  }

  .guides {
    width: 100%;
    height: 50px;
    display: flex;
    /*background-color: #fff;*/
  }

  .menu {
    width: 40px;
    height: 40px;
    margin-top: 10px;
    background-image: url("../assets/menu.png");
    background-size: contain;

  }

  .guide {
    width: 70px;
    height: 40px;
    color: white;
    background-color: #409EFF;
    line-height: 40px;
    margin-left: 20px;
    margin-top: 5px;
    text-align: center;
    border-radius: 3px;
  }

  .select{
    margin-top: 5px;
    margin-left: 10px;
  }
  .tree{
    height: 30px;
    font-size: 18px;
    /*border-bottom: 1px solid #13ADFF;*/
  }
  /*.el-tree-node__expand-icon{*/
    /*width: 20px;*/
    /*height: 20px;*/
    /*background-color: orangered;*/
  /*}*/
  /*.m{*/
    /*width: 40px;*/
    /*height: 40px;*/
    /*margin-top: 10px;*/
    /*background-color: red;*/
  /*}*/
/*.menuList{*/
  /*width: 50px;*/
  /*height: 100px;*/
  /*background-color: #545C64;*/
/*}*/
</style>
